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Finding the Fourth Proportional to 83,179.91, 124,694.99 and 29,859.38

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Solution

The fourth proportional to 83,179.91, 124,694.99 and 29,859.38 is: 44,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,179.91 : 124,694.99 = 29,859.38 : x
  2. Step 2: Convert to fraction form
    83,179.91/124,694.99 = 29,859.38/x
  3. Step 3: Cross multiply
    83,179.91x = 124,694.99 × 29,859.38
  4. Step 4: Simplify right side
    83,179.91x = 3,723,315,766.68
  5. Step 5: Solve for x
    x = 3,723,315,766.68/83,179.91
  6. Step 6: Final answer
    x = 44,762.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.